Herbicides should be selected according to characteristics
Now there is a kind of herbicide on the market that will affect the future crops, such as fast killing quinone (quinclorac): no crops can be planted except rice in 300 days after application, and can not be planted within 12 months. Eggplant, tobacco, can not grow tomatoes, carrots within 2 years. In addition, umbelliferous crops such as carrots, celery, and cilantro are very sensitive to fast killing, and it is not possible to water the above crops with the water of the paddy fields that have been killed. Towel Shelf,Barhroom Towel Shelf,Villa Bathroom Towel Rack,Towel Shelf Rose Gold Kaiping Jenor Sanitary Ware Co., Ltd , https://www.kpjenorsanitary.com
Chlorsulfuron-methyl: It has a long retention period in the soil, and it is not suitable to grow beets, rice, potatoes, melons, vegetables, sorghum and cotton.
Sike (Metazine, oxalofenone): According to the experiment, the active ingredient of 420-1120 g per hectare (15 mu) can be used to grow alfalfa, asparagus, wheat, barley, corn and potato after 4 months. Sweet potatoes, sugar cane, soybeans, grasses and pastures; rice and cotton can be planted after 8 months, and other crops other than roots can be planted for 12 months. At present, it is generally recommended that the dosage of Sike is 210-560 grams per hectare of active ingredient, which is generally safe for the crop after harvest.
Guanglingling: It is reported that per turf (15 mu) can be planted with rice, cotton, corn, pepper, tobacco and cucurbit crops for 9 months after application of 560-1400 g of active ingredient; 16 months later All crops can be grown. At present, it is generally recommended that the amount of chlorhexidine used in combination with other drugs has no effect on the sorghum crop, but heavy spray has a slight effect on wheat.
Puschte: a long-lasting herbicide . According to reports, 70 grams of active ingredient per hectare can be used to grow wheat, peas and alfalfa in 4 months after application; barley and tobacco can be planted after 9 and a half months; corn, cotton, potato and sorghum can be grown after 18 months. Beet can be grown after 40 months.
Broad grass clear: Degraded quickly in alkaline soils and degraded slowly in acidic soils. For example, beet, rapeseed and cotton should be planted on the field of applying broad grass and must be separated by more than two years.